Treating textile materials with circulating liquor



I March 30 192a 1,578,764 A. w. SCHMID TREATING TEXTILE MATERIALS WITH CIRCULATING LIQUOR Filed April "2, 1925 Fig; 2.

Patented Mar. 30, 1926.

UNITED STATES PATENT OFFICE ALBERTWI'LLLLM scnlvm), or :BAsnL, SWITZERLAND.

TREATING TEXTILE MATERIALS WITH GIRCULATING LIQUOR.

Application filed. April 7, 1925; Serial No. 21,426. To all whom it may p The textile material is laid for example Be it known that I, ALBERT ILLIAM in hank form or in piece form overahollow SoHMn), a citizen of the Swiss Republic, saddle a of U-shaped cross section. The and residentof Basel, Switzerland, have intreating filllCllS held inreadiness" 1n a con- 5 vented new and useful Improvements in tainer Z). The fluid is driven through the Treating Textile Materials with Circulating hollow saddle-a by a pump 0 and owing to Liquor, of which the following is a full, the pressure of the pump permeates the tex clear, and exact specification. 'tile material-cl.- The material remains sta- It is known to treat textile goods in form tionary during the whole treatment. It has 10 of hanks by placing the hanks on a perfor a large surface resting on the saddle a and rated movable or fixed pipe and to apply since-this large-supporting surface is perfothe treating fluid to the textile materia'lrated over its whole extent, is abundantly through the perforated pipe by pressure, so sprayed. Preferably care is taken'to make that the liquor trickles along'the mate-rial the totalsection of the perforations in the and completely permeates it.

The object of the present invention is to ofthe feed pipe 7 improve this arrangement, by spraying the Practical experience has shown that the hanks or web lengths over a greater length treatment time is reduced nearly in proporwith the treating fluid. For this purpose, tion to the increase in the supporting suraccording to the invention, not a perforatedface, and, when the treating fluid is a dye 05 pipe, but a hollow saddle of U-shaped cross bath, that the evenness of the dyeing is consection having its outer side perforated,- is siderably increased by the more rapid and.

used, which exposes to the textile material intensive .permeation rendered possible by a large supporting and spraying surface, the larger supporting surface.

which can be up to 7 0% or more of the total Obviously the hollow saddle could be '7 circumference of the hank or web length to closed across the bottom in cross section, be treated, so that the action of the circulatin frame form. It could also be formed of ing fluid reaching the textile material two oval tubes or the like one within the through the hollow'saddle can be very rapid other, the outer being perforated only over 7 saddle va approximately equal to the section 0 and intensive. the supporting surface for the textile ma- 7 v For practical reasons it is impossible simtelial. ply to increase the diameter of the hitherto What I claim is:

known pipe so that the supporting surface In an apparatus for treating textile mareaches of the circumference of the rl s n 1121111501 P1 0 form Wl h a circu- 35 hanks, since suchan increase would entail lating fluid, the combination with ajfiuid ciran undue increase in the size and cost ofthe culating device of a stationary carrier for apparatus. The use of a hollow saddle 15 the material consist ng of ahollow saddle 7 here proposed just to avoid these disadvanof U-shaped cross section, perforations being tages, while achieving the advantage of provided in its outer surface, so as to present l 40 quicker and more intensive permeation of a large supporting and spraying surface to the textile material. the material. v The accompanying drawing shows dia- I In witness whereof I have hereunto signed grammatically in Figure 1 an arrangement my name this 26th day of March, 1925'.- of the apparatus, and in Figure 2 a cross 1 1 section of the hollow saddle itself. ALBERT WILLIAM SCHMID. 

